.page-privacy {
  --pp-index-w: 232px;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 头部 ---------- */
.page-privacy .pp-head {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 5vw, 62px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--hair);
  background: linear-gradient(180deg, var(--panel) 0%, var(--ink) 100%);
}

.page-privacy .pp-head__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.6;
  background-image:
    linear-gradient(var(--hair) 1px, transparent 1px),
    linear-gradient(90deg, var(--hair) 1px, transparent 1px),
    radial-gradient(120% 100% at 84% -10%, var(--cyan-a12), transparent 62%);
  background-size: 48px 48px, 48px 48px, 100% 100%;
}

.page-privacy .pp-head__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-eyebrow {
  margin: 22px 0 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pp-head h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.2vw, 64px);
  line-height: 1.06;
  letter-spacing: 0.015em;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .pp-lede {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--ink-72);
}

/* ---------- 头部窄横幅 ---------- */
.page-privacy .pp-banner {
  margin: clamp(20px, 4vw, 40px) 0 0;
}

.page-privacy .pp-banner .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  padding-top: clamp(28px, 5vw, 68px);
  padding-bottom: clamp(46px, 7vw, 92px);
}

/* ---------- 分节索引 ---------- */
.page-privacy .pp-index {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

.page-privacy .pp-index__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-privacy .pp-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2px;
}

.page-privacy .pp-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 8px 9px 10px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink-72);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s var(--ease-out), border-color 0.18s var(--ease-out), background-color 0.18s var(--ease-out);
}

.page-privacy .pp-index__list a:hover,
.page-privacy .pp-index__list a:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: var(--cyan-a12);
}

.page-privacy .pp-index__list a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pp-index__n {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan-deep);
}

.page-privacy .pp-index__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-50);
}

.page-privacy .pp-index__note a {
  color: var(--cyan);
}

/* ---------- 条款 ---------- */
.page-privacy .pp-clauses {
  min-width: 0;
}

.page-privacy .pp-clause {
  padding: 22px 0 28px;
  border-top: 1px solid var(--hair);
}

.page-privacy .pp-clause:first-child {
  border-top: 2px solid var(--hair-strong);
  padding-top: 10px;
}

.page-privacy .pp-clause__num {
  display: block;
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .pp-clause h2 {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.6vw, 30px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .pp-claim {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.7;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .pp-clause p {
  max-width: 68ch;
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-72);
}

.page-privacy .pp-clause p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-key {
  color: var(--paper);
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
}

/* ---------- 双栏对照块 ---------- */
.page-privacy .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 18px;
  max-width: 68ch;
}

.page-privacy .pp-split__col {
  padding: 16px 16px 18px;
  background: var(--panel);
  border: 1px solid var(--hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-privacy .pp-split__tag {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-72);
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 16px;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--cyan-deep);
}

/* ---------- 折叠步骤 ---------- */
.page-privacy .pp-steps {
  max-width: 68ch;
  margin: 18px 0 0;
  border: 1px solid var(--hair);
  background: var(--panel);
}

.page-privacy .pp-steps summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-privacy .pp-steps summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-steps summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .pp-steps[open] summary::before {
  content: "\2212";
}

.page-privacy .pp-steps summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-privacy .pp-steps ol {
  margin: 0;
  padding: 0 20px 18px 38px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-72);
}

.page-privacy .pp-steps ol li + li {
  margin-top: 6px;
}

/* ---------- 版本序列 ---------- */
.page-privacy .pp-vers {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  max-width: 68ch;
  border-top: 1px dashed var(--hair);
}

.page-privacy .pp-vers li {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 4px 14px;
  padding: 13px 0;
  border-bottom: 1px dashed var(--hair);
  align-items: baseline;
}

.page-privacy .pp-vers__v {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-privacy .pp-vers__y {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-privacy .pp-vers li p {
  grid-column: 1 / -1;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-72);
}

/* ---------- 请求区链接行 ---------- */
.page-privacy .pp-linkrow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-privacy .pp-linkrow .btn {
  text-decoration: none;
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-split {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pp-vers li {
    grid-template-columns: 62px 78px 1fr;
  }

  .page-privacy .pp-vers li p {
    grid-column: 3 / 4;
  }
}

/* ---------- 桌面：吸顶索引 + 条款栏 ---------- */
@media (min-width: 900px) {
  .page-privacy .pp-body {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-privacy .pp-index {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }

  .page-privacy .pp-index__list {
    grid-template-columns: 1fr;
  }

  .page-privacy .pp-clause {
    padding: 26px 0 34px;
  }
}

/* ---------- 动效退化 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__list a,
  .page-privacy .pp-steps summary {
    transition: none;
  }
}
<<<END>>>